diff --git a/app/controller/api/Auth.php b/app/controller/api/Auth.php
index d0fb12d2..833e5fee 100644
--- a/app/controller/api/Auth.php
+++ b/app/controller/api/Auth.php
@@ -1339,14 +1339,15 @@ class Auth extends BaseController
                 $queryBuilder = $queryBuilder->where('version', '>', $version);
             }
             if ($phoneBrand) {
-                $pos = false;
+                $spos = false;
                 foreach($brandArray as $b) {
                     $pos = stripos($phoneBrand, $b);
                     if ($pos !== false) {
+                        $spos = true;
                         $queryBuilder = $queryBuilder->where('phone_brand', $b);
                     }
                 }
-                if ($pos === false) {
+                if ($spos === false) {
                     $queryBuilder = $queryBuilder->where('phone_brand', '');
                 }
             }